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KLS to SUX: distance & flight time
Kelso (Southwest Washington Regional Airport) → Sioux City (Sioux Gateway Col. Bud Day Field)
1,330 mi
2,141 km · 1,156 nm
3h 22m
estimated nonstop flight time
+2h
time difference · heading east
See live KLS→SUX fares Phone-only fares on this route — call free
Flight time details
1,330 miles nonstop takes roughly 3h 22m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- SUX — Sioux Gateway Col. Bud Day Field · Sioux City, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Near SUX
- OFK · Karl Stefan Memorial Airport61 mi away
- YKN · Chan Gurney Municipal Airport62 mi away
- FET · Fremont Municipal Airport66 mi away
- OMA · Eppley Airfield80 mi away
Frequently asked questions
How far is KLS from SUX?
The flight distance from Kelso (KLS) to Sioux City (SUX) is 1,330 miles (2,141 km, 1,156 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to SUX?
A nonstop flight takes about 3h 22m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Kelso and Sioux City?
Sioux City is 2 hours ahead of Kelso.
What is the cheapest way to fly from KLS to SUX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–SUX that never appear on search engines, with no booking fees.